A. The atmosphere
All the other examples are either elements or compounds, not mixtures. A mixture is a combination of elements that are not chemically or irreversibly conjoined so the atmosphere, made up of a variety of gases, would be a mixture.
Well red blood cells carry oxygen to muscles
Circulatory system is probably the answer you are looking for.
Answer:
dna or diabeties can be separated
Answer:

Explanation:
Power is defined as the rate at which energy is dissipated.
Its mathematical form is given by :
P = VI
Where
V is voltage and I is current
Using Ohm's law :
, R is resistance
Joule's law equation is given by :

Hence, the correct option is (d).
Answer:
<h3>letter D i think</h3>
Explanation:
correct me if im wrong